Inventor · disambiguated record
Toshihiko Sakai
Also filed as: SAKAI TOSHIHIKO
56 granted patents·12 pending applications·656 citations·filing 1975–2025
98Inventor score
Top patents by PatentIndex Score
68 records- 0196US4649858ARepairing apparatus for furnace wallSUMITOMO METAL IND·Filed 1985·Granted Mar 17, 1987·88 cites·16 claims
- 0295US6918942B2Process for production of titanium alloyTOHO TITANIUM CO LTD·Filed 2003·Granted Jul 19, 2005·81 cites·14 claims
- 0393US6229241B1Structure and manufacturing method for motor and statorHITACHI LTD·Filed 1998·Granted May 8, 2001·90 cites·7 claims
- 0491US6348753B1Electric rotating machine having structure of shifting stator position by predetermined angleHITACHI LTD·Filed 2000·Granted Feb 19, 2002·38 cites·4 claims
- 0590US7841728B2Image display apparatusSEIKO EPSON CORP·Filed 2006·Granted Nov 30, 2010·11 cites·26 claims
- 0690USD503120SBody composition meterTANITA SEISAKUSHO KK·Filed 2004·Granted Mar 22, 2005·41 cites·1 claims
- 0789US8134909B2Optical information storage medium, optical information storage medium playback apparatus, method of controlling optical information storage medium playback apparatus, control program of optical information storage medium playback apparatus, and storage medium storing the program thereinYAMAMOTO MASAKI·Filed 2008·Granted Mar 13, 2012·10 cites·8 claims
- 0887USD474454STelevision setTOSHIBA KK·Filed 2002·Granted May 13, 2003·35 cites·1 claims
- 0987US5059559AMethod of aligning and bonding tab inner leadsHITACHI LTD·Filed 1988·Granted Oct 22, 1991·88 cites·21 claims
- 1086US4248809AMethod and apparatus for detecting damage of blast furnace inside wall repairing materialsSUMITOMO METAL IND·Filed 1979·Granted Feb 3, 1981·26 cites·4 claims
- 1185US8223620B2Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control methodSAKAI TOSHIHIKO·Filed 2008·Granted Jul 17, 2012·4 cites·14 claims
- 1281US7907497B2Multi-format optical storage medium, optical pickup, and optical read/write deviceSHARP KK·Filed 2006·Granted Mar 15, 2011·4 cites·21 claims
- 1378US10516066B2Photovoltaic conversion device, photovoltaic module, and solar power generation systemSHARP KK·Filed 2017·Granted Dec 24, 2019·2 cites·8 claims
- 1478US8467142B2Recording medium, recording/reproduction device and method for controlling recording/reproduction deviceSAKAI TOSHIHIKO·Filed 2009·Granted Jun 18, 2013·3 cites·9 claims
- 1577US7984994B2Image display apparatusSEIKO EPSON CORP·Filed 2010·Granted Jul 26, 2011·2 cites·7 claims
- 1676US11435565B2Projection system and projection-type image display apparatusSEIKO EPSON CORP·Filed 2019·Granted Sep 6, 2022·2 cites·18 claims
- 1769US8848306B2Magnetic recording reproducing apparatus and magnetic recording mediumSAKAI TOSHIHIKO·Filed 2012·Granted Sep 30, 2014·2 cites·6 claims
- 1868US4788482APosition correcting control system for servomechanism deviceHITACHI LTD·Filed 1987·Granted Nov 29, 1988·25 cites·9 claims
- 1967US8616707B2Projector with cooling mechanismMIYAZAWA YASUNAGA·Filed 2011·Granted Dec 31, 2013·2 cites·6 claims
- 2067US6356626B1Point to point voice message processor, method and recording/playback deviceVOICE EXPRESS CORP·Filed 1999·Granted Mar 12, 2002·57 cites·19 claims
- 2165US9696614B2Projection optical system and projection-type image display deviceSEIKO EPSON CORP·Filed 2015·Granted Jul 4, 2017·1 cites·8 claims
- 2264US8982194B2Image watching glasses identification device, image watching system, pair of image watching glasses, image watching glasses identification program, computer-readable recording medium, and display deviceMORI GO·Filed 2011·Granted Mar 17, 2015·1 cites·1 claims
- 2363US11316061B2Photovoltaic devices, photovoltaic modules provided therewith, and solar power generation systemsSHARP KK·Filed 2020·Granted Apr 26, 2022·0 cites·6 claims
- 2463US8283830B2Rotating electric machine and drive system thereofFUJISAWA YUKINARI·Filed 2009·Granted Oct 9, 2012·4 cites·13 claims
- 2562US11515439B2Photovoltaic devices and photovoltaic modulesSHARP KK·Filed 2020·Granted Nov 29, 2022·0 cites·19 claims
- 2662US9703184B2Dimmer and projectorSAKAI KENSHI·Filed 2012·Granted Jul 11, 2017·2 cites·16 claims
- 2762US2025390194A1Non-transitory computer-readable recording medium, touch panel controller, information processing device, and method for controlling touch panelFCL COMPONENTS LTD·Filed 2025·Application pending·0 cites
- 2861US8867328B2Optical recording medium on which information is recorded using train of prepits, and method for reproducing optical recording mediumSHARP KK·Filed 2014·Granted Oct 21, 2014·0 cites·1 claims
- 2960US8705333B2Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control methodSHARP KK·Filed 2013·Granted Apr 22, 2014·0 cites·4 claims
- 3060US2016268462A1Photoelectric conversion elementSHARP KK·Filed 2014·Application pending·0 cites
- 3159US8570850B2Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control methodSHARP KK·Filed 2013·Granted Oct 29, 2013·0 cites·4 claims
- 3259US6222296B1Electric motor having a stator with an end core part having a different shape than a central core partHITACHI LTD·Filed 1998·Granted Apr 24, 2001·22 cites·7 claims
- 3358US8379505B2Super-resolution optical recording medium on which information is recorded using train of prepits, optical recording medium reproduction device, and control methodSHARP KK·Filed 2012·Granted Feb 19, 2013·0 cites·2 claims
- 3455US10293368B2Film-forming methodSHARP KK·Filed 2016·Granted May 21, 2019·0 cites·5 claims
- 3555US9236507B2Photoelectric conversion element and method for manufacturing sameSHARP KK·Filed 2013·Granted Jan 12, 2016·0 cites·4 claims
- 3655US9111553B2Optical information recording medium, reproduction apparatus, and reproduction methodSHARP KK·Filed 2012·Granted Aug 18, 2015·0 cites·3 claims
- 3755US2017338365A1Photovoltaic devices, photovoltaic modules provided therewith, and solar power generation systemsSHARP KK·Filed 2015·Application pending·0 cites
- 3853US8243577B2Optical information recording medium, reproducing device for optical information recording medium, and reproducing method for optical information recording mediumYAMAMOTO MASAKI·Filed 2007·Granted Aug 14, 2012·0 cites·5 claims
- 3951US9262911B2Information processing apparatus, control method for information processing apparatus, control method for electronic device, and storage medium containing control programSAKAI TOSHIHIKO·Filed 2012·Granted Feb 16, 2016·0 cites·15 claims
- 4050US10895719B2Projection system and projectorSEIKO EPSON CORP·Filed 2017·Granted Jan 19, 2021·0 cites·20 claims
- 4150US10132464B2Light output apparatus and image display systemSEIKO EPSON CORP·Filed 2014·Granted Nov 20, 2018·0 cites·8 claims
- 4249US11227966B2Photoelectric conversion deviceSHARP KK·Filed 2015·Granted Jan 18, 2022·0 cites·5 claims
- 4349US10903379B2Photovoltaic devices and photovoltaic modulesSHARP KK·Filed 2016·Granted Jan 26, 2021·0 cites·19 claims
- 4449US6452304B1Electric rotating machine having structure of shifting stator position by predetermined angleHITACHI LTD·Filed 2002·Granted Sep 17, 2002·3 cites·3 claims
- 4548US10355145B2Photovoltaic deviceSHARP KK·Filed 2016·Granted Jul 16, 2019·0 cites·4 claims
- 4646US6734595B2Electric rotating machine having structure of shifting stator position by predetermined angleHITACHI LTD·Filed 2003·Granted May 11, 2004·2 cites·4 claims
- 4745US8792194B2Recording reproducing apparatus and magnetic recording mediumSAKAI TOSHIHIKO·Filed 2012·Granted Jul 29, 2014·0 cites·16 claims
- 4845US2006113849A1Motor having cores structure wherein magnetic circuit is designed in three dimensional configurationENOMOTO YUJI·Filed 2006·Application pending·0 cites
- 4944US10800444B2Electric driving device and electric power steering deviceHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2016·Granted Oct 13, 2020·0 cites·21 claims
- 5044US4019130AMethod for measuring wear of cooling cell assemblySUMITOMO METAL IND·Filed 1975·Granted Apr 19, 1977·9 cites·4 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Toshihiko Sakai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →